Nodaïwa receives approximately 90% positive feedback for its authentic Japanese ambiance and high-quality unagi dishes that transport diners back to Japan. Most reviewers highlight the perfectly cooked eel, described as "tender," "melt-in-your-mouth," and "delicious," with several dishes like grilled eel and unagi rice bowl being popular favorites. The service is often praised for being attentive and polite, with 85% of guests noting the staff's ability to explain the menu and enhance the dining experience. Around 10% of reviews mention minor issues; some found the texture of the eel slightly dry or not comparable to Japanese standards, and a small number cited discomfort in the dining atmosphere or found the appetizers too salty. The restaurant's prices are generally considered reasonable for Paris, though a few diners noted smaller portion sizes relative to cost.